Intrusion Prevention

Kerberos.CrossRealm.Referrals.KDC.NULL.Pointer.Dereference.DoS

Description

This indicates an attack attempt to exploit a Denial of Service vulnerability in Kerberos.
The vulnerability is due to an NULL pointer dereference error when vulnerable module handles a crafted TGS request. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system.

Affected Products

MIT Kerberos 1.11.3 and prior

Impact

Denial of Service: Remote attackers can crash vulnerable systems or services

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc

CVE References

CVE-2013-1417